BuildableRelationTreeVo

{
    "relTrees": [
        [
            {
                "id": "string",
                "nodeId": "string",
                "parentNodeId": "string",
                "code": "string",
                "name": "string",
                "sort": "string",
                "firstCategory": "string",
                "secondCategory": "string",
                "graphCode": "string",
                "sourceClassCodeDir": "FROM_TO",
                "children": "new ArrayList<>()"
            }
        ]
    ]
}